/*
 * Copyright 2012-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.cloud.all.security.web.access.expression;

import org.springframework.expression.*;

import java.util.List;

/**
 * An instance of {@link EvaluationContext} that delegates to another implementation.
 *
 * @author Rob Winch
 * @since 4.1
 */
class DelegatingEvaluationContext implements EvaluationContext {
    private final EvaluationContext delegate;

    DelegatingEvaluationContext(EvaluationContext delegate) {
        this.delegate = delegate;
    }

    @Override
    public TypedValue getRootObject() {
        return this.delegate.getRootObject();
    }

    @Override
    public List<ConstructorResolver> getConstructorResolvers() {
        return this.delegate.getConstructorResolvers();
    }

    @Override
    public List<MethodResolver> getMethodResolvers() {
        return this.delegate.getMethodResolvers();
    }

    @Override
    public List<PropertyAccessor> getPropertyAccessors() {
        return this.delegate.getPropertyAccessors();
    }

    @Override
    public TypeLocator getTypeLocator() {
        return this.delegate.getTypeLocator();
    }

    @Override
    public TypeConverter getTypeConverter() {
        return this.delegate.getTypeConverter();
    }

    @Override
    public TypeComparator getTypeComparator() {
        return this.delegate.getTypeComparator();
    }

    @Override
    public OperatorOverloader getOperatorOverloader() {
        return this.delegate.getOperatorOverloader();
    }

    @Override
    public BeanResolver getBeanResolver() {
        return this.delegate.getBeanResolver();
    }

    @Override
    public void setVariable(String name, Object value) {
        this.delegate.setVariable(name, value);
    }

    @Override
    public Object lookupVariable(String name) {
        return this.delegate.lookupVariable(name);
    }
}
